*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
header{
    height: 300px;
    width: 1900px;
    background: url("../img/1.jpg") center; /* 首先增加背景图 */

}
.function{
    padding-left: 150px;
    padding-right: 150px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    background-color: #8EC5FC;
    background-image: linear-gradient(62deg, #238925 0%, #8e6b20 100%);
    border-style:inset;
    color: aliceblue;
}
html,body{
    height: 100vh;
    background: url("../img/2.webp") center; /* 首先增加背景图 */
    background-size: 100% auto; /* 设置背景的大小 */
    background-repeat: no-repeat; /* 将背景设置为不重复显示 */

}
.tex{
    /* 画板 2 */
    position: absolute;
    width: 660px;
    height: 630px;
    box-sizing: border-box;
    color: aliceblue;
    background-color: #8EC5FC;
    background: rgba(255, 255, 255, 0);
    border: 1px solid rgb(255, 255, 255);
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
}
.l{
    color: aliceblue;
    /* 画板 3 */
    position: absolute;
    width: 660px;
    height: 630px;
    background-color: #8EC5FC;
    left: 660px;
    box-sizing: border-box;


    background: rgba(255, 255, 255, 0);
    border: 1px solid rgb(255, 255, 255);
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
}
.m{
    position: absolute;
    width: 660px;
    height: 630px;

    left: 1320px;
    box-sizing: border-box;
    background-color: #8EC5FC;
    color: aliceblue;
    background: rgba(255, 255, 255, 0);
    border: 1px solid rgb(255, 255, 255);
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
}
